105p 20180420 cbell

105P/Singer Brewster 2018-Apr-20 05:29:36 UTC Stack 9 x 331 seconds Magnitude 17.3 R aperture radius 10.25 arc sec (UCAC4) Coma 15 arc sec diameter very condensed No apparent tail Charles Bell H47 Vicksburg 0.3-m Schmidt-Cassegrain + CCD + R filter Ephemeris data: t - T = -112.0908 days Delta = 1.259 AU r = 2.214 AU Elongation = 155.7 deg Phase = 10.7 deg PsAng = 115.8 deg PsAMV = 283.3 deg PlAng = -2.2 deg Constellation: Virgo (Vir)

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